{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011832},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011762","490:4900011892","490:4900010999","490:4900011965","490:4900011441","490:4900011367","490:4900011080","490:4900011964","490:4900011498","490:4900011894","490:4900011225","490:4900011177","490:4900011829","490:4900011765","490:4900011451","490:4900010674","490:4900011081","490:4900011900","490:4900011635","490:4900011090","490:4900010993","490:4900011893","490:4900011828","490:4900010747","490:4900012098"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4946433671642683,0.4341081090898291,0.3577175805564807,0.2695350056706393,0.21826973863077065,0.20300344782511903,0.1863245625305468,0.17695859308569759,0.17011389166732171,0.16232258292992383,0.15315971648187124,0.14373803389003206,0.14184592268076118,0.14072287482295137,0.1362209348454832,0.1315277454623193,0.1224582768226131,0.12073751856318703,0.11876328853029654,0.10519703495246693,0.10082630733383668,0.10041247937028032,0.10011008836443983,0.09971043051577046,0.0995714157353616],"twin_dists":[0.15409904787359238,0.167780715464783,0.18622493325594708,0.21030501627254236,0.22659459380041527,0.2319292409388007,0.2380826544593979,0.24170891328115274,0.24444621987372392,0.2476601025735978,0.251586292160576,0.25580743451745375,0.25667969044911915,0.2572015111450932,0.25932505540386575,0.26159555467870116,0.2661625387817793,0.26705784579845254,0.2680971166255043,0.2756229259559984,0.27820776286620635,0.27845700571344084,0.27863964032335176,0.2788816847254375,0.27896605419464404],"n_dims_used":45,"mean_confidence":0.8911121792263454},"coverage":{"mean_confidence":0.8911121792263454,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}